A01K 39/01
Feeding devices
Official title: Feeding devices (A01K39/04 takes precedence)
A01K39/01 (Feeding devices) appears on 1,060 US grants and 778 published applications in this corpus.
Search patents in A01K- Granted patents
- 1,060
- Published applications
- 778
- Assignees
- 303
- Inventors
- 1,314
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 11 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 6 | 0 |
| 1982 | 18 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 11 | 0 |
| 1988 | 7 | 0 |
| 1989 | 18 | 0 |
| 1990 | 15 | 0 |
| 1991 | 27 | 0 |
| 1992 | 27 | 0 |
| 1993 | 24 | 0 |
| 1994 | 29 | 0 |
| 1995 | 18 | 0 |
| 1996 | 22 | 0 |
| 1997 | 24 | 0 |
| 1998 | 40 | 0 |
| 1999 | 29 | 0 |
| 2000 | 23 | 0 |
| 2001 | 21 | 6 |
| 2002 | 36 | 16 |
| 2003 | 48 | 26 |
| 2004 | 17 | 28 |
| 2005 | 19 | 34 |
| 2006 | 26 | 38 |
| 2007 | 26 | 33 |
| 2008 | 15 | 34 |
| 2009 | 21 | 27 |
| 2010 | 21 | 27 |
| 2011 | 22 | 32 |
| 2012 | 14 | 23 |
| 2013 | 15 | 27 |
| 2014 | 24 | 27 |
| 2015 | 26 | 42 |
| 2016 | 24 | 37 |
| 2017 | 26 | 52 |
| 2018 | 29 | 33 |
| 2019 | 29 | 43 |
| 2020 | 32 | 33 |
| 2021 | 23 | 34 |
| 2022 | 29 | 35 |
| 2023 | 24 | 28 |
| 2024 | 23 | 24 |
| 2025 | 26 | 24 |
| 2026 | 18 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Top-fill hummingbird feeder with float valve base closure mechanism6 Oct 2026US 12,751,429 B2Woodstream Corporation
- Bird feeder15 Sep 2026US 12,733,629 B2
- Gravity-powered treadmill for poultry1 Sep 2026US 12,721,317 B2Dongguan City GeShengMei Industrial Co., Ltd
- Pet feeder using original feed packaging bag as main container25 Aug 2026US 12,714,065 B2
- Landless monogastric animal production system18 Aug 2026US 12,708,106 B2Dsm IP Assets B.V.
Most cited
By later US patents